
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
(FPCore (x y z) :precision binary64 (fma y (- x z) z))
double code(double x, double y, double z) {
return fma(y, (x - z), z);
}
function code(x, y, z) return fma(y, Float64(x - z), z) end
code[x_, y_, z_] := N[(y * N[(x - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x - z, z\right)
\end{array}
Initial program 96.9%
distribute-lft-out--96.9%
*-rgt-identity96.9%
cancel-sign-sub-inv96.9%
+-commutative96.9%
associate-+r+96.9%
distribute-rgt-out100.0%
+-commutative100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -8.8e+251)
(* y x)
(if (<= y -8.6e+104)
t_0
(if (<= y -5e-12)
(* y x)
(if (<= y -3e-117)
z
(if (<= y -3.3e-194)
(* y x)
(if (<= y 0.032) z (if (<= y 2.3e+64) (* y x) t_0)))))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -8.8e+251) {
tmp = y * x;
} else if (y <= -8.6e+104) {
tmp = t_0;
} else if (y <= -5e-12) {
tmp = y * x;
} else if (y <= -3e-117) {
tmp = z;
} else if (y <= -3.3e-194) {
tmp = y * x;
} else if (y <= 0.032) {
tmp = z;
} else if (y <= 2.3e+64) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = y * -z
if (y <= (-8.8d+251)) then
tmp = y * x
else if (y <= (-8.6d+104)) then
tmp = t_0
else if (y <= (-5d-12)) then
tmp = y * x
else if (y <= (-3d-117)) then
tmp = z
else if (y <= (-3.3d-194)) then
tmp = y * x
else if (y <= 0.032d0) then
tmp = z
else if (y <= 2.3d+64) then
tmp = y * x
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -8.8e+251) {
tmp = y * x;
} else if (y <= -8.6e+104) {
tmp = t_0;
} else if (y <= -5e-12) {
tmp = y * x;
} else if (y <= -3e-117) {
tmp = z;
} else if (y <= -3.3e-194) {
tmp = y * x;
} else if (y <= 0.032) {
tmp = z;
} else if (y <= 2.3e+64) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -8.8e+251: tmp = y * x elif y <= -8.6e+104: tmp = t_0 elif y <= -5e-12: tmp = y * x elif y <= -3e-117: tmp = z elif y <= -3.3e-194: tmp = y * x elif y <= 0.032: tmp = z elif y <= 2.3e+64: tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -8.8e+251) tmp = Float64(y * x); elseif (y <= -8.6e+104) tmp = t_0; elseif (y <= -5e-12) tmp = Float64(y * x); elseif (y <= -3e-117) tmp = z; elseif (y <= -3.3e-194) tmp = Float64(y * x); elseif (y <= 0.032) tmp = z; elseif (y <= 2.3e+64) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -8.8e+251) tmp = y * x; elseif (y <= -8.6e+104) tmp = t_0; elseif (y <= -5e-12) tmp = y * x; elseif (y <= -3e-117) tmp = z; elseif (y <= -3.3e-194) tmp = y * x; elseif (y <= 0.032) tmp = z; elseif (y <= 2.3e+64) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -8.8e+251], N[(y * x), $MachinePrecision], If[LessEqual[y, -8.6e+104], t$95$0, If[LessEqual[y, -5e-12], N[(y * x), $MachinePrecision], If[LessEqual[y, -3e-117], z, If[LessEqual[y, -3.3e-194], N[(y * x), $MachinePrecision], If[LessEqual[y, 0.032], z, If[LessEqual[y, 2.3e+64], N[(y * x), $MachinePrecision], t$95$0]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -8.8 \cdot 10^{+251}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -8.6 \cdot 10^{+104}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -5 \cdot 10^{-12}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -3 \cdot 10^{-117}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq -3.3 \cdot 10^{-194}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 0.032:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 2.3 \cdot 10^{+64}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -8.7999999999999998e251 or -8.6000000000000003e104 < y < -4.9999999999999997e-12 or -2.99999999999999991e-117 < y < -3.2999999999999999e-194 or 0.032000000000000001 < y < 2.3e64Initial program 100.0%
Taylor expanded in x around inf 76.0%
*-commutative76.0%
Simplified76.0%
if -8.7999999999999998e251 < y < -8.6000000000000003e104 or 2.3e64 < y Initial program 90.6%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 66.9%
mul-1-neg66.9%
distribute-rgt-neg-out66.9%
Simplified66.9%
if -4.9999999999999997e-12 < y < -2.99999999999999991e-117 or -3.2999999999999999e-194 < y < 0.032000000000000001Initial program 100.0%
Taylor expanded in y around 0 71.8%
Final simplification71.3%
(FPCore (x y z)
:precision binary64
(if (or (<= y -9.5e-12)
(and (not (<= y -7e-117)) (or (<= y -3.3e-194) (not (<= y 0.032)))))
(* y (- x z))
z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -9.5e-12) || (!(y <= -7e-117) && ((y <= -3.3e-194) || !(y <= 0.032)))) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-9.5d-12)) .or. (.not. (y <= (-7d-117))) .and. (y <= (-3.3d-194)) .or. (.not. (y <= 0.032d0))) then
tmp = y * (x - z)
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -9.5e-12) || (!(y <= -7e-117) && ((y <= -3.3e-194) || !(y <= 0.032)))) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -9.5e-12) or (not (y <= -7e-117) and ((y <= -3.3e-194) or not (y <= 0.032))): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -9.5e-12) || (!(y <= -7e-117) && ((y <= -3.3e-194) || !(y <= 0.032)))) tmp = Float64(y * Float64(x - z)); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -9.5e-12) || (~((y <= -7e-117)) && ((y <= -3.3e-194) || ~((y <= 0.032))))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -9.5e-12], And[N[Not[LessEqual[y, -7e-117]], $MachinePrecision], Or[LessEqual[y, -3.3e-194], N[Not[LessEqual[y, 0.032]], $MachinePrecision]]]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.5 \cdot 10^{-12} \lor \neg \left(y \leq -7 \cdot 10^{-117}\right) \land \left(y \leq -3.3 \cdot 10^{-194} \lor \neg \left(y \leq 0.032\right)\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -9.4999999999999995e-12 or -6.9999999999999997e-117 < y < -3.2999999999999999e-194 or 0.032000000000000001 < y Initial program 94.9%
Taylor expanded in y around inf 97.0%
mul-1-neg97.0%
sub-neg97.0%
Simplified97.0%
if -9.4999999999999995e-12 < y < -6.9999999999999997e-117 or -3.2999999999999999e-194 < y < 0.032000000000000001Initial program 100.0%
Taylor expanded in y around 0 71.8%
Final simplification87.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 0.59))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 0.59)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-1.0d0)) .or. (.not. (y <= 0.59d0))) then
tmp = y * (x - z)
else
tmp = z + (y * x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 0.59)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.0) or not (y <= 0.59): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 0.59)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z + Float64(y * x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.0) || ~((y <= 0.59))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 0.59]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z + N[(y * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 0.59\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 0.589999999999999969 < y Initial program 94.2%
Taylor expanded in y around inf 99.4%
mul-1-neg99.4%
sub-neg99.4%
Simplified99.4%
if -1 < y < 0.589999999999999969Initial program 100.0%
+-commutative100.0%
+-lft-identity100.0%
cancel-sign-sub100.0%
cancel-sign-sub100.0%
+-lft-identity100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
associate-+l-100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around 0 99.0%
mul-1-neg99.0%
distribute-lft-neg-out99.0%
*-commutative99.0%
Simplified99.0%
sub-neg99.0%
+-commutative99.0%
distribute-rgt-neg-out99.0%
remove-double-neg99.0%
Applied egg-rr99.0%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (if (<= z -6.2e-6) z (if (<= z 2.2e+105) (* y x) z)))
double code(double x, double y, double z) {
double tmp;
if (z <= -6.2e-6) {
tmp = z;
} else if (z <= 2.2e+105) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (z <= (-6.2d-6)) then
tmp = z
else if (z <= 2.2d+105) then
tmp = y * x
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -6.2e-6) {
tmp = z;
} else if (z <= 2.2e+105) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -6.2e-6: tmp = z elif z <= 2.2e+105: tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (z <= -6.2e-6) tmp = z; elseif (z <= 2.2e+105) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -6.2e-6) tmp = z; elseif (z <= 2.2e+105) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -6.2e-6], z, If[LessEqual[z, 2.2e+105], N[(y * x), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -6.2 \cdot 10^{-6}:\\
\;\;\;\;z\\
\mathbf{elif}\;z \leq 2.2 \cdot 10^{+105}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if z < -6.1999999999999999e-6 or 2.20000000000000007e105 < z Initial program 92.7%
Taylor expanded in y around 0 49.8%
if -6.1999999999999999e-6 < z < 2.20000000000000007e105Initial program 100.0%
Taylor expanded in x around inf 68.2%
*-commutative68.2%
Simplified68.2%
Final simplification60.3%
(FPCore (x y z) :precision binary64 (+ z (* y (- x z))))
double code(double x, double y, double z) {
return z + (y * (x - z));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z + (y * (x - z))
end function
public static double code(double x, double y, double z) {
return z + (y * (x - z));
}
def code(x, y, z): return z + (y * (x - z))
function code(x, y, z) return Float64(z + Float64(y * Float64(x - z))) end
function tmp = code(x, y, z) tmp = z + (y * (x - z)); end
code[x_, y_, z_] := N[(z + N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + y \cdot \left(x - z\right)
\end{array}
Initial program 96.9%
+-commutative96.9%
+-lft-identity96.9%
cancel-sign-sub96.9%
cancel-sign-sub96.9%
+-lft-identity96.9%
distribute-lft-out--96.9%
*-rgt-identity96.9%
associate-+l-96.9%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 96.9%
Taylor expanded in y around 0 31.2%
Final simplification31.2%
(FPCore (x y z) :precision binary64 (- z (* (- z x) y)))
double code(double x, double y, double z) {
return z - ((z - x) * y);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z - ((z - x) * y)
end function
public static double code(double x, double y, double z) {
return z - ((z - x) * y);
}
def code(x, y, z): return z - ((z - x) * y)
function code(x, y, z) return Float64(z - Float64(Float64(z - x) * y)) end
function tmp = code(x, y, z) tmp = z - ((z - x) * y); end
code[x_, y_, z_] := N[(z - N[(N[(z - x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - \left(z - x\right) \cdot y
\end{array}
herbie shell --seed 2024078
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))